How fast do different parts of the EM spectrum travel in a vacuum?

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Ryuu Share
Sep 28, 2017

Answer:

At the speed of light.

Explanation:

Remember that the EM spectrum are comprised of energy waves. Light is an energy and is part of the EM spectrum.

Speed of light in a vacuum is #299 792 458 m/s#. Most people round to #3.0xx10^8#. However the speed alters when travelling in through a medium, like water or air.

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Sep 28, 2017

All parts of the EM spectrum travel at #3*10^8 m/s#.

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